[PATCH master] of: base: probe simple-pm-bus children as well

[Sascha Hauer]

On Fri, Mar 12, 2021 at 09:22:18AM +0100, Ahmad Fatoum wrote:
> Upstream is migrating device trees like those of the am33xx to use
> simple-pm-bus, where applicable. These are buses that reference a clock
> or a power domain that needs to be enabled in order to use devices on it.
> 
> As we didn't yet support this binding, this broke the Beaglebone
> and all other am33xx board since v2021.02.0.
> 
> Fix this by adding simple-pm-bus to the of_default_bus_match_table.
> Note that this is only an adequate solution for when the power domain
> and clocks referenced are already enabled prior to barebox startup.
> 
> For all other cases, driver support must be available for the clock
> and power domains in questions and this driver must be extended to
> make use of them. For the am33xx, the relevant buses are powered
> and clocked on boot up, so we leave general support to another day..
> 
> Fixes: 6ea3de1b8ce7 ("dts: update to v5.11-rc1")
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  drivers/of/base.c | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 8759099d7480..6fe02649ee53 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -2272,6 +2272,8 @@ const char *of_get_model(void)
>  const struct of_device_id of_default_bus_match_table[] = {
>  	{
>  		.compatible = "simple-bus",
> +	}, {
> +		.compatible = "simple-pm-bus",
>  	}, {
>  		.compatible = "simple-mfd",
>  	}, {
> -- 
> 2.29.2
> 
> 
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> 

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